mirror of
https://github.com/Ryujinx/libsoundio.git
synced 2024-12-23 03:45:31 +00:00
98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 2015 Andrew Kelley
|
|
*
|
|
* This file is part of libsoundio, which is MIT licensed.
|
|
* See http://opensource.org/licenses/MIT
|
|
*/
|
|
|
|
#include <soundio.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
__attribute__ ((cold))
|
|
__attribute__ ((noreturn))
|
|
__attribute__ ((format (printf, 1, 2)))
|
|
static void panic(const char *format, ...) {
|
|
va_list ap;
|
|
va_start(ap, format);
|
|
vfprintf(stderr, format, ap);
|
|
fprintf(stderr, "\n");
|
|
va_end(ap);
|
|
abort();
|
|
}
|
|
|
|
static void read_callback(struct SoundIoInputDevice *input_device) {
|
|
fprintf(stderr, "read_callback\n");
|
|
}
|
|
|
|
static void write_callback(struct SoundIoOutputDevice *output_device, int requested_frame_count) {
|
|
fprintf(stderr, "write_callback\n");
|
|
}
|
|
|
|
static void underrun_callback(struct SoundIoOutputDevice *output_device) {
|
|
static int count = 0;
|
|
fprintf(stderr, "underrun %d\n", count++);
|
|
soundio_output_device_fill_with_silence(output_device);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
struct SoundIo *soundio = soundio_create();
|
|
if (!soundio)
|
|
panic("out of memory");
|
|
|
|
int err;
|
|
if ((err = soundio_connect(soundio)))
|
|
panic("error connecting: %s", soundio_error_string(err));
|
|
|
|
int default_out_device_index = soundio_get_default_output_device_index(soundio);
|
|
if (default_out_device_index < 0)
|
|
panic("no output device found");
|
|
|
|
int default_in_device_index = soundio_get_default_output_device_index(soundio);
|
|
if (default_in_device_index < 0)
|
|
panic("no output device found");
|
|
|
|
struct SoundIoDevice *out_device = soundio_get_output_device(soundio, default_out_device_index);
|
|
if (!out_device)
|
|
panic("could not get output device: out of memory");
|
|
|
|
struct SoundIoDevice *in_device = soundio_get_input_device(soundio, default_in_device_index);
|
|
if (!in_device)
|
|
panic("could not get input device: out of memory");
|
|
|
|
fprintf(stderr, "Input device: %s: %s\n",
|
|
soundio_device_name(in_device),
|
|
soundio_device_description(in_device));
|
|
fprintf(stderr, "Output device: %s: %s\n",
|
|
soundio_device_name(out_device),
|
|
soundio_device_description(out_device));
|
|
|
|
struct SoundIoInputDevice *input_device;
|
|
soundio_input_device_create(in_device, SoundIoSampleFormatFloat, 0.1, NULL,
|
|
read_callback, &input_device);
|
|
|
|
struct SoundIoOutputDevice *output_device;
|
|
soundio_output_device_create(out_device, SoundIoSampleFormatFloat, 0.1, NULL,
|
|
write_callback, underrun_callback, &output_device);
|
|
|
|
if ((err = soundio_input_device_start(input_device)))
|
|
panic("unable to start input device: %s", soundio_error_string(err));
|
|
|
|
if ((err = soundio_output_device_start(output_device)))
|
|
panic("unable to start output device: %s", soundio_error_string(err));
|
|
|
|
for (;;)
|
|
soundio_wait_events(soundio);
|
|
|
|
soundio_output_device_destroy(output_device);
|
|
soundio_input_device_destroy(input_device);
|
|
soundio_device_unref(in_device);
|
|
soundio_device_unref(out_device);
|
|
soundio_destroy(soundio);
|
|
return 0;
|
|
}
|